Description Baling wire is used to bind bales of hay, straw, or cut grass to keeps its shape after the baler has pressed the hay into a tight rectangular bale. Our wire is boxed in uniformly wound layers with the Start and Finish ends clearly tagged to insure rapid, fool-proof reloading of the baler. Wire Thickness: 14 1/2 gauge Length: 6500 ft Finish: Annealed